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Other wall thicknesses are available from stock.
Unit of Measure

RA 1 - Nominal Size

 18 in

RA 2 - Nominal Size

 8 in

RA 1 - OD

 457 mm

RA 2 - OD

 219 mm

S1

 4.5 mm

S2

 3.0 mm

a 

 289 mm

b 

 353 mm

L

 379 mm

Weight

 36.40 kg

Norm

 EHN 9603/310

Note

 Welded

Material

 Copper-Nickel